Rheem Heavy Duty Commercial Electric Surface Thermostat Tank Water Heater: 120 gal. 208V 18kW 3-Phase

The Rheem Heavy Duty Commercial Electric Surface Thermostat Tank Water Heater: 120 gal. 208V 18kW 3-Phase is a Rheem heavy-duty commercial electric storage water heater designed for high-volume hot water applications. Its 120-gallon tank and 18kW input support demanding facilities such as restaurants, schools, laundries, and institutional buildings.

Rheem heavy-duty electric documentation highlights commercial tank construction, high-temperature glass lining, Lifeguard stainless steel elements, thick foam insulation, and service-friendly drain hardware. Electrical service and phase configuration must match the ordered model.

Product Features:

• 120-Gallon Commercial Tank: Heavy-duty Rheem commercial electric model for large stored hot water demand.
• 208V Electrical Configuration: Specified for 208V service in the listed product title.
• 18kW Element Input: Configured with 18kW heating input for high-recovery commercial applications.
• Surface Thermostat Control: Product name and listings identify surface thermostat temperature control.
• Lifeguard Stainless Elements: Rheem commercial literature lists screw-in Lifeguard stainless elements that resist burnout and corrosion.
• Two Anode Rods: Distributor listing notes dual anode rods to improve tank corrosion resistance.
• 98% Thermal Efficiency: Rheem heavy-duty commercial electric data lists 98% thermal efficiency.

Warranty

This product includes a manufacturer’s limited warranty. Verify voltage, phase, element wattage, breaker sizing, plumbing connections, installation location, and local code requirements before installation.